You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-30 - 23:13
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack6slot0.osadl.org (updated Sun Nov 30, 2025 13:01:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
391889929633,244cyclictest5865-21inotify_reader12:30:1835
391889929633,244cyclictest5865-21inotify_reader12:30:1835
391889929536,238cyclictest0-21swapper/507:25:2035
391889929536,238cyclictest0-21swapper/507:25:2035
391889925228,209cyclictest137250irq/44-eno1-TxRx-211:30:1935
391889925228,209cyclictest137250irq/44-eno1-TxRx-211:30:1935
391889925228,209cyclictest137250irq/44-eno1-TxRx-211:30:1835
391889925117,213cyclictest0-21swapper/507:10:1835
391889925117,213cyclictest0-21swapper/507:10:1735
391889924024,203cyclictest0-21swapper/509:30:1835
391889924024,203cyclictest0-21swapper/509:30:1835
391889924024,203cyclictest0-21swapper/509:30:1835
391889923539,184cyclictest4905-21CPU35
391889923539,184cyclictest4905-21CPU35
3920599212103,63cyclictest28044-21inotify_reader08:00:199
3920599212103,63cyclictest28044-21inotify_reader08:00:199
3918399209147,49cyclictest5021-21NetworkChangeNo09:50:181
3918399209147,49cyclictest5021-21NetworkChangeNo09:50:181
3919399207197,8cyclictest0-21swapper/1010:53:022
3919399207197,8cyclictest0-21swapper/1010:53:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional